def padding_left

bendtorch-core@0.1.0.0 · src/autograd/reduce_parallel_proof.bend:36

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/shape/broadcast_proofs.bend as Broadcast
import bendtorch-core@0.1.0.0/src/shape/projection_proofs.bend as ShapeProjection

36def padding_left(+left: List<&2, Nat>, +right: List<&2, Nat>, +output: List<&2, Nat>, +lp: Nat, +rp: Nat,
37  +aligned: Shape.Aligned(Shape.pad(lp, left), Shape.pad(rp, right), output)) ->
38  {lp == Nat.sub(List.length(&2, Nat, output), List.length(&2, Nat, left)) : Nat}:
39  ShapeProjection.padding_of(List.length(&2, Nat, output), lp, List.length(&2, Nat, left),
40    Equal.trans(Nat, Nat.add(lp, List.length(&2, Nat, left)), List.length(&2, Nat, Shape.pad(lp, left)), List.length(&2, Nat, output),
41      Broadcast.pad_length(lp, left), Broadcast.aligned_length_left(Shape.pad(lp, left), Shape.pad(rp, right), output, aligned)))